Added print option for calculation details.

Now the calculation details show more information.

Installer/MietRechner.iss

@@ -1,6 +1,6 @@
 [Setup]
 AppName=MietRechner
-AppVersion=2.1
+AppVersion=2.2
 WizardStyle=modern
 DefaultDirName={autopf}\MietRechner
 DefaultGroupName=MietRechner

ucalc/Controls/PrintableBilling.cs

@@ -0,0 +1,217 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Documents;
+using System.Windows.Media;
+using UCalc.Data;
+
+namespace UCalc.Controls
+{
+    public class PrintableBilling : PrintableDocument<Tuple<Billing, IEnumerable<Tenant>>>
+    {
+        public PrintableBilling(Billing billing, IEnumerable<Tenant> tenants) : base(
+            new Tuple<Billing, IEnumerable<Tenant>>(billing, tenants))
+        {
+        }
+
+        protected override void FillFlowDocument(FlowDocument document, Tuple<Billing, IEnumerable<Tenant>> args)
+        {
+            var (billing, tenants) = args;
+
+            foreach (var tenant in tenants)
+            {
+                var result = BillingCalculator.CalculateForTenant(billing, tenant);
+                AddPagesForTenant(document, billing, tenant, result);
+            }
+        }
+
+        private static void AddPagesForTenant(FlowDocument document, Billing billing, Tenant tenant,
+            TenantCalculationResult result)
+        {
+            var section = new Section {BreakPageBefore = true, FontSize = Constants.PrintDefaultFontSize};
+            document.Blocks.Add(section);
+
+            var table = new Table {CellSpacing = 0};
+            section.Blocks.Add(table);
+            table.Columns.Add(new TableColumn {Width = new GridLength(1, GridUnitType.Star)});
+            table.Columns.Add(new TableColumn {Width = new GridLength(1, GridUnitType.Star)});
+
+            var rowGroup = new TableRowGroup();
+            table.RowGroups.Add(rowGroup);
+
+            void AddCost(string name, decimal amount, bool isLast = false)
+            {
+                var row2 = new TableRow();
+                rowGroup.Rows.Add(row2);
+
+                if (isLast)
+                {
+                    row2.Background = Brushes.LightGray;
+                }
+
+                var cell2 = new TableCell
+                    {BorderBrush = Brushes.Gray, BorderThickness = new Thickness(1, 1, 0, isLast ? 1 : 0)};
+                row2.Cells.Add(cell2);
+
+                cell2.Blocks.Add(new Paragraph(new Run(name)) {Padding = new Thickness(6)});
+
+                cell2 = new TableCell
+                {
+                    BorderBrush = Brushes.Gray, BorderThickness = new Thickness(1, 1, 1, isLast ? 1 : 0),
+                    TextAlignment = TextAlignment.Right
+                };
+                row2.Cells.Add(cell2);
+
+                cell2.Blocks.Add(new Paragraph(new Run($"{amount.CeilToString()} €")) {Padding = new Thickness(6)});
+            }
+
+            void AddTextLeftRight(string leftText, string rightText)
+            {
+                var row2 = new TableRow();
+                rowGroup.Rows.Add(row2);
+
+                var cell2 = new TableCell();
+                row2.Cells.Add(cell2);
+
+                cell2.Blocks.Add(new Paragraph(new Run(leftText)));
+
+                cell2 = new TableCell
+                {
+                    TextAlignment = TextAlignment.Right
+                };
+                row2.Cells.Add(cell2);
+
+                cell2.Blocks.Add(new Paragraph(new Run(rightText)));
+            }
+
+            AddTextLeftRight(
+                $"{billing.Landlord.Name}\n" +
+                $"{billing.Landlord.Address.Street} {billing.Landlord.Address.HouseNumber}\n" +
+                $"{billing.Landlord.Address.Postcode} {billing.Landlord.Address.City}\n" +
+                $"Telefon: {billing.Landlord.Phone}" +
+                (string.IsNullOrEmpty(billing.Landlord.MailAddress) ? "" : $"\nEmail: {billing.Landlord.MailAddress}"),
+                DateTime.Now.ToString(Constants.DateFormat)
+            );
+
+            AddLineBreaks(rowGroup, 2);
+
+            AddText(
+                rowGroup,
+                $"{tenant.Salutation.AsString()} {tenant.Name}\n" +
+                $"{billing.House.Address.Street} {billing.House.Address.HouseNumber}\n" +
+                $"{billing.House.Address.Postcode} {billing.House.Address.City}"
+            );
+
+            AddLineBreaks(rowGroup, 4);
+
+            AddText(rowGroup, $"{tenant.Salutation.AsString()} {tenant.Name}");
+
+            AddLineBreaks(rowGroup, 1);
+
+            var startDate = billing.StartDate;
+            if (tenant.EntryDate.HasValue && tenant.EntryDate.Value > startDate)
+            {
+                startDate = tenant.EntryDate.Value;
+            }
+
+            var endDate = billing.EndDate;
+            if (tenant.DepartureDate.HasValue && tenant.DepartureDate.Value < endDate)
+            {
+                endDate = tenant.DepartureDate.Value;
+            }
+
+            AddText(
+                rowGroup,
+                $"Nebenkostenabrechnung vom {startDate.ToString(Constants.DateFormat)} zum {endDate.ToString(Constants.DateFormat)}",
+                Constants.PrintSubjectFontSize
+            );
+
+            AddLineBreaks(rowGroup, 1);
+
+            if (!string.IsNullOrEmpty(tenant.CustomMessage1))
+            {
+                AddText(rowGroup, tenant.CustomMessage1);
+
+                AddLineBreaks(rowGroup, 1);
+            }
+
+            foreach (var (cost, costResult) in result.Costs)
+            {
+                AddCost(cost.Name, costResult.TotalAmount);
+            }
+
+            AddCost("Zwischensumme", result.SubTotalAmount);
+            AddCost("Bereits gezahlt", tenant.PaidRent);
+            AddCost(result.TotalAmount > 0 ? "Einmalige Nachzahlung" : "Einmalige Rückzahlung", result.TotalAmount,
+                true);
+
+            AddLineBreaks(rowGroup, 1);
+
+            if (result.TotalAmount > 0)
+            {
+                AddText(
+                    rowGroup,
+                    $"Bitte überweisen Sie den einmaligen Betrag von {result.TotalAmount.CeilToString()} € auf das untenstehende Konto."
+                );
+            }
+            else
+            {
+                AddText(
+                    rowGroup,
+                    $"Der einmalige Betrag von {(result.TotalAmount * -1).CeilToString()} € wird in den nächsten Tagen auf Ihr Konto überwiesen."
+                );
+            }
+
+            AddLineBreaks(rowGroup, 1);
+
+            if (!string.IsNullOrEmpty(tenant.CustomMessage2))
+            {
+                AddText(rowGroup, tenant.CustomMessage2);
+                AddLineBreaks(rowGroup, 1);
+            }
+
+            AddText(rowGroup, "Kontoverbindung:");
+            AddText(rowGroup, $"IBAN: {billing.Landlord.BankAccount.Iban}");
+            AddText(rowGroup, $"BIC: {billing.Landlord.BankAccount.Bic}");
+            AddText(rowGroup, $"Name der Bank: {billing.Landlord.BankAccount.BankName}");
+
+            AddLineBreaks(rowGroup, 2);
+
+            AddText(rowGroup, "Mit freundlichen Grüßen");
+
+            if (result.Costs.Any(t => t.Key.DisplayInBill))
+            {
+                AddPagesForTenantDetails(document, result);
+            }
+        }
+
+        private static void AddPagesForTenantDetails(FlowDocument document, TenantCalculationResult result)
+        {
+            var section = new Section {BreakPageBefore = true, FontSize = Constants.PrintDefaultFontSize};
+            document.Blocks.Add(section);
+
+            var table = new Table {CellSpacing = 0};
+            section.Blocks.Add(table);
+            table.Columns.Add(new TableColumn {Width = new GridLength(1, GridUnitType.Star)});
+            table.Columns.Add(new TableColumn {Width = new GridLength(1, GridUnitType.Star)});
+
+            var rowGroup = new TableRowGroup();
+            table.RowGroups.Add(rowGroup);
+
+            AddText(rowGroup, "Details zur Berechnung:");
+
+            AddLineBreaks(rowGroup, 1);
+
+            foreach (var (cost, costResult) in result.Costs)
+            {
+                if (!cost.DisplayInBill)
+                {
+                    continue;
+                }
+
+                AddText(rowGroup, costResult.Details);
+            }
+        }
+    }
+}